AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2023 Mack Md
Overall rating NHTSA-grounded
Above average
Estimated 5-year repair + maintenance cost: $5,000–$15,000
The 2023 Mack MD exhibits an above-average reliability due to minimal owner complaints and only two recalls related to seat belt anchorages and the ECM, which don't significantly impact overall performance.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| ECM | 0–20,000 miles | $500–$1,500 | common |
| Seat belt anchorage | 0–10,000 miles | $100–$400 | occasional |
| Powertrain | 50,000–100,000 miles | $1,000–$3,000 | rare |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil change every 15,000 miles
- Tire rotation every 10,000 miles
- Brake inspection annually
- Transmission fluid change every 60,000 miles
- Coolant flush every 50,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- ECM warning lights
- Engine stalling issues
- Loose seat belts
- Unusual powertrain noises
Generated by gpt-4o on 8/24/2026. Cost ranges are conservative estimates that account for typical regional variation.